Wall insert



FIG. 1 is a front view of a wall insert for an aircraft in accordancewith the present invention;

FIG. 2 is a rear view of the wall insert of FIG. 1;

FIG. 3 is a top view of the wall insert of FIG. 1;

FIG. 4 is a side view of the wall insert of FIG. 1; and,

FIG. 5 is a perspective view of the wall insert of FIG. 1.

The ornamental design for a wall insert, as shown and described.